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Finding the Fourth Proportional to 527,368.04, 727,898.10 and 301,144.76

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Solution

The fourth proportional to 527,368.04, 727,898.10 and 301,144.76 is: 415,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,368.04 : 727,898.10 = 301,144.76 : x
  2. Step 2: Convert to fraction form
    527,368.04/727,898.10 = 301,144.76/x
  3. Step 3: Cross multiply
    527,368.04x = 727,898.10 × 301,144.76
  4. Step 4: Simplify right side
    527,368.04x = 219,202,698,628.96
  5. Step 5: Solve for x
    x = 219,202,698,628.96/527,368.04
  6. Step 6: Final answer
    x = 415,654.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.